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1 //===-- bswapdi2_test.c - Test __bswapdi2 ---------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file tests __bswapdi2 for the compiler_rt library.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include <stdlib.h>
15 #include <stdint.h>
16 #include <stdio.h>
17 #include <math.h>
18 
19 
20 extern uint64_t __bswapdi2(uint64_t);
21 
22 #if __arm__
test__bswapdi2(uint64_t a,uint64_t expected)23 int test__bswapdi2(uint64_t a, uint64_t expected)
24 {
25     uint64_t actual = __bswapdi2(a);
26     if (actual != expected)
27         printf("error in test__bswapsi2(0x%0llX) = 0x%0llX, expected 0x%0llX\n",
28                a, actual, expected);
29     return actual != expected;
30 }
31 #endif
32 
main()33 int main()
34 {
35 #if __arm__
36     if (test__bswapdi2(0x123456789ABCDEF0LL, 0xF0DEBC9A78563412LL))
37         return 1;
38     if (test__bswapdi2(0x0000000100000002LL, 0x0200000001000000LL))
39         return 1;
40 #else
41     printf("skipped\n");
42 #endif
43     return 0;
44 }
45